Home / 22,848.72-31,518.09-13,415.46

Finding the Fourth Proportional to 22,848.72, 31,518.09 and 13,415.46

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Solution

The fourth proportional to 22,848.72, 31,518.09 and 13,415.46 is: 18,505.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,848.72 : 31,518.09 = 13,415.46 : x
  2. Step 2: Convert to fraction form
    22,848.72/31,518.09 = 13,415.46/x
  3. Step 3: Cross multiply
    22,848.72x = 31,518.09 × 13,415.46
  4. Step 4: Simplify right side
    22,848.72x = 422,829,675.67
  5. Step 5: Solve for x
    x = 422,829,675.67/22,848.72
  6. Step 6: Final answer
    x = 18,505.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.